#include "substitution_matrix.h"

double substitution_matrix_distance (unsigned char a, unsigned char b) {
  if(a < 24 && b < 24) {
    return MAX_BLOSUM_SCORE-blosum62[a][b];
  } else if( a == b) {
    return 0.0;
  } else {
    return 100000.0;
  }
}
